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When we first launched the original Timberwolf frame, one of the first questions was “when will it be available in .45 ACP or 10mm?” That time is now, because we’ve revamped and upgraded the design to bring you the Timberwolf Large. The first thing you’ll notice is that the TWL fits in your hand like a much smaller pistol - in fact we measured the grip circumference of the most popular factory 9mm service pistol, and the Timberwolf Large was only .007" larger. That’s only the width of a couple of human hairs, giving you real .45 ACP or 10mm firepower in a 9mm sized package.

The TWL accepts G20/G21 length magazines in its full size grip, and will fit G20/G21, G40, and G41 length slides.

The Timberwolf Large is available in multiple configurations, all of which include the dust cover adapter, removable magazine well, and interchangeable backstraps.

Use the drop down menu to select one of these options:

  • Stripped frame
  • Stripped frame with parts kit unassembled (Polymer trigger shoe)
  • Stripped frame with parts kit unassembled (UAT shoe)
  • Fully assembled frame with polymer trigger shoe
  • Fully assembled frame with UAT (UAT will be included as separate item not installed in frame)

No matter what your shooting goal is, the Timberwolf Large will fit your needs. Whether you want a gun for backwoods carry, a longslide for hunting, a slim and easy to carry .45 ACP for personal protection, or just want to build the coolest gun at the range, the Timberwolf Large can make your dreams come true. 

Years in the making, the Timberwolf Large is here. The frame game will never be the same.

Assembled frames come with the following parts installed. If purchasing a bare frame with parts kit the same parts are used but not installed: 

LWD-7496 LWD Extended Slide Stop 3 Pin
LWD-ESLL LWD Ext Slide Lock Lever Black
LWD-342 LWD Connector 3.5 lb
LWD-350-6 LWD Trigger Spring 6 lb
LWD-420 LWD Trigger Pin
LWD-4368 LWD Locking Block Pin
LWD-5446 LWD Slide Lock Spring M/17,17L,20,21,21SF,22,24,31,34,35,37
LWD-1447 LWD Full Size Locking Block
LWD-427B LWD Trigger Housing Pin (Black)
LWD-UTH LWD Universal Trigger Housing w/ 45/10 ejector
LWD-280 LWD Mag Catch Spring
LWD-8795 LWD Magazine Catch Reversible (Gen 4)
LWD-4417 LWD Trigger Bar Fits G20,21 & SF Models
LWD-PolyShoe LWD Polymer Trigger Shoe, Black (Standard, non adjustable)

*When checking out please put the name, city, state, and phone number of the FFL you want the frame shipped to in the comments section.

Must ship to FFL (Lower ships to FFL, any other upper parts ship to customer)

Required Items
Parts Kit
Trigger Shoe


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